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Around the world, Monteiro (Monteiro , Монтейро , Монтейру ) is quite a rare gender-neutral first name. The first name Monteiro is habitual in Cabo Verde, where it is quite a common masculine name, Luxembourg, where it is quite a rare unisex name, and Guinea-Bissau, where it is quite a rare male name. Measured by absolute frequency, it is commonest in Angola, Portugal, and Cabo Verde. Predominantly, Monteiro is the last name as well as the forename.
Monteiro is also a name for the fictitious and mythical characters: .